package com.ys.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.ys.pojo.TradeCoupon;

public interface CouponService extends IService<TradeCoupon> {
    TradeCoupon findCouponById(Long couponId);

    Boolean changeCoponStatus(TradeCoupon coupon);
}
